System Specifications

The cylinder head must not have depressions deeper than 0.0254 mm (0.001 inch) across a 38.1 mm (1.5 inch) square area, or scratches more than 0.0254 mm (0.001 inch).

Cylinder head flatness must be within 0.0254 mm (0.001 inch) across a 38.1 mm (1.5 inch) square area.





The cylinder head bolts must be discarded and new bolts installed. They are tighten-to-yield designed and cannot be reused.

Cylinder head bolts
First pass 40 Nm (30 ft. lbs.)
Second pass tighten 90°
Final pass tighten 90°





Intake manifold bolts
First pass 2 Nm (18 inch lbs.)
Final pass 25 Nm (18 ft. lbs.)

Camshaft sprocket bolts
First pass 40 Nm (30 ft. lbs.)
Final pass tighten 90°





Camshaft bearing cap bolts 10 Nm (89 inch lbs.)








Exhaust manifold nuts 25 Nm (18 ft. lbs.)